Tm super( 3+)-doped ZBLAN fibre amplifier at 1.49 mu m with co-operative lasing at 1.88 mu m

Tm super( 3+)-doped ZBLAN fibre amplifier at 1.49 mu m with co-operative lasing at 1.88 mu m

The limiting effect of the self-terminating super( 3)H sub( 4)- super( 3)F sub( 4) transition on the gain of a thulium ZBLAN fibre amplifier has been reduced by the integration of a fibre ring cavity into the amplifier. The ring cavity allows co-operative laser oscillation at 1.88 mu m, enhancing th...

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Veröffentlicht in:Electronics letters 2005-08, Vol.41 (16), p.1-1
Hauptverfasser: Tessarin, S, Lynch, M, Donegan, J F, Maze, G
Format: Artikel
Sprache:eng
Schlagworte:
Amplification
Amplifiers
Constraining
Fibre
Gain
Holes
Lasing
Noise levels
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Zusammenfassung:The limiting effect of the self-terminating super( 3)H sub( 4)- super( 3)F sub( 4) transition on the gain of a thulium ZBLAN fibre amplifier has been reduced by the integration of a fibre ring cavity into the amplifier. The ring cavity allows co-operative laser oscillation at 1.88 mu m, enhancing the obtainable gain. A gain of 11 dB was observed at 1.49 mu m for a 4 m fibre length.
ISSN:0013-5194
1350-911X